Where does “難い” come from?

難い (Japanese) comes from Japanese 難し.

難い (Japanese): difficult; difficult or hard to do

Definitions

difficult; difficult or hard to do

Ancestry of “難い”, step by step

Step	Language	Word	Meaning
1	Japanese	難し	—

Words derived from “難い”

Every word from Japanese 難し →

難い — Etymology, Origin & Word History | Etymology Explorer